// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "shell_main_delegate.h"

#include <string>
#include <iostream>

#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "content/public/browser/browser_main_runner.h"
#include "content/public/common/url_constants.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#include "ui/base/ui_base_switches.h"
#include "ui/gl/gl_switches.h"
#include "cuc/src/cwkshell/browser/shell_content_browser_client.h"
#include "cuc/src/cwkshell/browser/shell_browser_main.h"
#include "content/public/common/content_switches.h"
#include "net/cookies/cookie_monster.h"


#if defined(OS_WIN)
#include <initguid.h>
#include "base/logging_win.h"
#endif
using namespace content;

namespace cuc {
namespace shell {
namespace {


#if defined(OS_WIN)
	// If "Content Shell" doesn't show up in your list of trace providers in
	// Sawbuck, add these registry entries to your machine (NOTE the optional
	// Wow6432Node key for x64 machines):
	// 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
	// 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
	// 3. Add these values:
	//    "default_flags"=dword:00000001
	//    "default_level"=dword:00000004
	//    @="Content Shell"

	// {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
	const GUID kContentShellProviderName = {
		0x6a3e50a4, 0x7e15, 0x4099,
		{ 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
#endif

}  // namespace
bool InitLogging() {
	base::FilePath log_filename;
	PathService::Get(base::DIR_EXE, &log_filename);
	log_filename = log_filename.AppendASCII("cwkshell.log");
	logging::SetLogItems(true, true, true, true);
	
	return logging::InitLogging(
		log_filename.value().c_str(),
		logging::LOG_ONLY_TO_FILE,
		logging::LOCK_LOG_FILE,
		logging::DELETE_OLD_LOG_FILE,
		logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);

}

ShellMainDelegate::ShellMainDelegate() {
}

ShellMainDelegate::~ShellMainDelegate() {
#if defined(OS_ANDROID)
	NOTREACHED();
#endif
}

bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
#if defined(OS_WIN)
	// Enable trace control and transport through event tracing for Windows.
	logging::LogEventProvider::Initialize(kContentShellProviderName);
#endif

		InitLogging();
		CommandLine& command_line = *CommandLine::ForCurrentProcess();
		command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
		command_line.AppendSwitch(switches::kForceCompositingMode);
		net::CookieMonster::EnableFileScheme();

		//for testing:
		command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
	

		SetContentClient(&content_client_);
		return false;
}

void ShellMainDelegate::PreSandboxStartup() {
	InitializeResourceBundle();
}

int ShellMainDelegate::RunProcess(
	const std::string& process_type,
	const MainFunctionParams& main_function_params) {
		if (!process_type.empty())
			return -1;

#if !defined(OS_ANDROID)
		return ShellBrowserMain(main_function_params);
#else
		// If no process type is specified, we are creating the main browser process.
		browser_runner_.reset(BrowserMainRunner::Create());
		int exit_code = browser_runner_->Initialize(main_function_params);
		DCHECK(exit_code < 0)
			<< "BrowserRunner::Initialize failed in ShellMainDelegate";

		return exit_code;
#endif
}

void ShellMainDelegate::InitializeResourceBundle() {
#if defined(OS_ANDROID)
	// In the Android case, the renderer runs with a different UID and can never
	// access the file system.  So we are passed a file descriptor to the
	// ResourceBundle pak at launch time.
	int pak_fd =
		base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
	if (pak_fd != base::kInvalidPlatformFileValue) {
		ui::ResourceBundle::InitSharedInstanceWithPakFile(pak_fd, false);
		ResourceBundle::GetSharedInstance().AddDataPackFromFile(
			pak_fd, ui::SCALE_FACTOR_100P);
		return;
	}
#endif

	base::FilePath pak_file;
#if defined(OS_MACOSX)
	pak_file = GetResourcesPakFilePath();
#else
	base::FilePath pak_dir;

#if defined(OS_ANDROID)
	bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
	DCHECK(got_path);
	pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
#else
	PathService::Get(base::DIR_MODULE, &pak_dir);
#endif

	pak_file = pak_dir.Append(FILE_PATH_LITERAL("cwkshell.pak"));
#endif
	ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
}

ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
	browser_client_.reset(new ShellContentBrowserClient);
	return browser_client_.get();
}

ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
	renderer_client_.reset(new ShellContentRendererClient);
	return renderer_client_.get();
}

}  // namespace shell
}  // namespace cuc
